<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>div和span标签</title>
</head>
<body>
    <div>我是一个div盒子，我自己独占一行</div>
    <div>我是一个div盒子，我自己独占一行</div>
    <span>必应</span>
    <span>谷歌</span>
    <span>百度</span>
</body>
</html>